Didymocheton gaudichaudianus, commonly known as ivory mahogany, is a species of rainforest tree in the family Meliaceae, native to Malesia, Papuasia, Queensland, and some southwest Pacific islands.

The ivory mahogany is a large tree growing up to 36 m (118 ft) in height with a straight trunk up to 80 cm (31 in) diameter.

The leaflets are highly asymmetric at the base with one side of the leaf blade wider than the other.

The fruits are capsules about 3 cm (1.2 in) diameter which are covered in fine brown hairs.

[3][4] Flowering in Australia occurs from September to January, with fruits ripening around October to February.